CVE-2020-5274 — Information Exposure via Error Message in Symfony
Severity
5.4MEDIUMNVD
CNA4.6
EPSS
0.3%
top 49.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 30
Latest updateApr 3
Description
In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception were not properly escaped when the `ErrorHandler` rendered it stacktrace. In addition, the stacktrace were displayed even in a non-debug configuration. The ErrorHandler now escape alls properties of the exception, and the stacktrace is only display in debug configuration. This issue is patched in symfony/http-foundation versions 4.4.5 and 5.0.5
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5
Affected Packages5 packages
Patches
🔴Vulnerability Details
4📋Vendor Advisories
1Debian▶
CVE-2020-5274: symfony - In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception wer...↗2020
💬Community
2Bugzilla▶
CVE-2020-5274 php-symfony4: symfony: ErrorHandler displays stacktraces in non-debug environments which could result in Information Disclosure [fedora-all]↗2020-04-03
Bugzilla▶
CVE-2020-5274 symfony: ErrorHandler displays stacktraces in non-debug environments which could result in Information Disclosure↗2020-04-03